The NBC News|SurveyMonkey Weekly Election Tracking poll was
conducted online April 4 through April 10, 2016 among a national sample
of 12,692 adults aged 18 and over, including 11,204 who say they are
registered to vote. Respondents for this non-probability survey were
selected from the nearly three million people who take surveys on the
SurveyMonkey platform each day. Results have an error estimate of plus
or minus 1.3 percentagepoints. A full description of our methodology
and the poll can befound here"